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ppc: d63 predictor 16x16

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About 18x faster.

Change-Id: Id043bf76c011e03e992085bb5e20f330d3e98cd4
This commit is contained in:
Luca Barbato 2017-04-09 00:09:56 +00:00 committed by James Zern
parent cc868da526
commit a5469a00a8
3 changed files with 24 additions and 2 deletions
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3
test/test_intra_pred_speed.cc
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@ -320,7 +320,8 @@ INTRA_PRED_TEST(VSX, TestIntraPred16, vpx_dc_predictor_16x16_vsx,
vpx_dc_left_predictor_16x16_vsx, vpx_dc_top_predictor_16x16_vsx,
vpx_dc_128_predictor_16x16_vsx, vpx_v_predictor_16x16_vsx,
vpx_h_predictor_16x16_vsx, vpx_d45_predictor_16x16_vsx, NULL,
NULL, NULL, NULL, NULL, vpx_tm_predictor_16x16_vsx)
NULL, NULL, NULL, vpx_d63_predictor_16x16_vsx,
vpx_tm_predictor_16x16_vsx)
INTRA_PRED_TEST(VSX, TestIntraPred32, vpx_dc_predictor_32x32_vsx,
vpx_dc_left_predictor_32x32_vsx, vpx_dc_top_predictor_32x32_vsx,

21
vpx_dsp/ppc/intrapred_vsx.c
View File

@ -541,3 +541,24 @@ void vpx_d45_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride,
row1 = vec_perm(row1, above_right, sl1);
}
}
void vpx_d63_predictor_16x16_vsx(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const uint8x16_t a0 = vec_vsx_ld(0, above);
const uint8x16_t a1 = vec_vsx_ld(16, above);
const uint8x16_t above_right = vec_splat(a1, 0);
const uint8x16_t b = vec_perm(a0, above_right, sl1);
const uint8x16_t c = vec_perm(b, above_right, sl1);
uint8x16_t row0 = vec_avg(a0, b);
uint8x16_t row1 = avg3(a0, b, c);
int i;
(void)left;
for (i = 0; i < 8; i++) {
vec_vsx_st(row0, 0, dst);
vec_vsx_st(row1, 0, dst + stride);
dst += stride * 2;
row0 = vec_perm(row0, above_right, sl1);
row1 = vec_perm(row1, above_right, sl1);
}
}

2
vpx_dsp/vpx_dsp_rtcd_defs.pl
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@ -116,7 +116,7 @@ add_proto qw/void vpx_d45_predictor_16x16/, "uint8_t *dst, ptrdiff_t y_stride, c
specialize qw/vpx_d45_predictor_16x16 neon ssse3 vsx/;
add_proto qw/void vpx_d63_predictor_16x16/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left";
specialize qw/vpx_d63_predictor_16x16 ssse3/;
specialize qw/vpx_d63_predictor_16x16 ssse3 vsx/;
add_proto qw/void vpx_h_predictor_16x16/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left";
specialize qw/vpx_h_predictor_16x16 neon dspr2 msa sse2 vsx/;